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Patent applications and USPTO patent grants for Hagstrom; Panu.The latest application filed is for "structure of a radio-frequency front end".
Patent | Date |
---|---|
Structure of a radio-frequency front end Grant 6,961,544 - Hagstrom November 1, 2 | 2005-11-01 |
Antenna filtering arrangement for a dual mode radio communication device Grant 6,185,434 - Hagstrom , et al. February 6, 2 | 2001-02-06 |
Radio communications transceiver with integrated filter, antenna switch, directional coupler and active components Grant 5,903,820 - Hagstrom May 11, 1 | 1999-05-11 |
Arrangement for separating transmission and reception Grant 5,521,561 - Yrjola , et al. May 28, 1 | 1996-05-28 |
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